Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533670 | Amusement ride with pivotable motion base | — | 2003-03-18 |
| 6254489 | Amusement attraction with man-made tornado | Craig Robert Hanna, Philip Hettema, James H. Hightower, Cecil D. Magpuri, Edward S. Newquist | 2001-07-03 |
| 6060847 | Interactive amusement ride | Philip Hettema, Craig Robert Hanna, John R. Murdy | 2000-05-09 |
| 5868628 | Live-action theater | Norman J. Kahn, Randall G. Novak, Scott H. Smith, Thomas A. Garcia, Jr., David MacMurtry +2 more | 1999-02-09 |
| 5833544 | Film and live action theater | Harry C. Corbin, Jim Crossley, Fred Gallo, James M. Lehner, Harry E. Largman +3 more | 1998-11-10 |
| 5704294 | Waterfall ride attraction | Ted W. Van Winkle, Benjamin Sheldon, Barry Upson | 1998-01-06 |